Depression can be a serious mood disorder or you might have feelings/thoughts that relate to depression.
Depression is different than sadness. It is a mental state that does not go away on its own. Depression can affect how you feel, think, and handle daily activities, such as sleeping, eating, or working.
The resources below may help, however, if you or someone you know is experiencing feelings of depression or engaging in self-harm - the most important thing that you can do to help is to tell a trusted adult.